EP 0386846 B1 19960911 - Electro-acoustic system
Title (en)
Electro-acoustic system
Title (de)
Elektro-akustisches System
Title (fr)
Système électro-acoustique
Publication
Application
Priority
NL 8900571 A 19890309
Abstract (en)
[origin: EP0386846A1] Electro-acoustic system for improving the acoustic of a predetermined room, said system comprising a microphone array having a plurality of microphones (2) and a loudspeaker array having a plurality of loudspeakers (6), as well as a signal processing unit (4), interposed between said arrays, said signal processing unit having means for generating reflections, whereby at least one of the microphones is directed in such a manner that it receives at least reflected sound from a sound source in the predetermined room and/or that at least one of the loudspeakers is directed at a reflecting surface in the predetermined room.
IPC 1-7
IPC 8 full level
E04H 3/30 (2006.01); G10K 15/00 (2006.01); G10K 15/10 (2006.01); H04R 1/40 (2006.01); H04R 5/02 (2006.01); H04R 5/027 (2006.01); H04R 27/00 (2006.01); H04S 5/02 (2006.01)
CPC (source: EP US)
G10K 15/10 (2013.01 - EP US); H04R 27/00 (2013.01 - EP US); H04R 2227/007 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0386846 A1 19900912; EP 0386846 B1 19960911; AT E142835 T1 19960915; CA 2011674 A1 19900909; CA 2011674 C 20000425; DE 69028423 D1 19961017; DE 69028423 T2 19970306; JP 2927492 B2 19990728; JP H0354995 A 19910308; NL 8900571 A 19901001; US 5119428 A 19920602
DOCDB simple family (application)
EP 90200520 A 19900306; AT 90200520 T 19900306; CA 2011674 A 19900307; DE 69028423 T 19900306; JP 5976090 A 19900309; NL 8900571 A 19890309; US 48918490 A 19900308